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Celebrating the 10th year of San Diego Festival of Science & Engineering Expo at Petco Park in San Diego. Explore! Experiment and enjoy! The San Diego Science Expo is back! A free day of fun for the whole family. Science comes to life at over a hundred hands-on exhibits including robotics, engineering, gross & gooey experiments.  You won’t want to miss it!  Saturday, March 3Science & Engineering Expo Day at Petco Park. It's FREE to the public and open from 10a.m. – 5p.m.  Parking is available for in the Tailgate lot and Padres Parkade, but the trolley is a great way to visit, too.Families can bring their own lunches.  The San Diego Padres permit guests to bring food into PETCO Park for individual consumption (but not for large groups) as long as they are consumed in the picnic areas. There is a kids meal option, which includes a hot dog, a juice box and a cookie. This will be available at the Padres concession stands.  Be sure to stop by the 10News Booth to see what it’s like to be on TV! NEW this year: U.S. Air Force Rapid Strike Simulator -- Ever wonder what it’s like to soar the sky on a down-range Air Force mission? Well look no further! EXPO DAY and Festival Week will feature the U.S. Air Force Recruiting Service’s Rapid Strike Simulator. Rapid Strike is a state-of-the-art flight simulator that showcases the intricacy and capability of modern American airpower. Take around in the sky and experience what it’s like to be an airman.Saturday, March 3 through, Sunday, March 11Festival Activities throughout San Diego County 1615

Celine Dion has canceled performances at The Colosseum at Caesars Palace March 27 through April 18. According to Dion's Facebook page, she has a condition in her middle ear known as Patulous Eustachian tube, which causes hearing irregularities, and makes it "extremely difficult" to sing.Dion has been experiencing this condition for the past 12-18 months, but it has been successfully treated with various ear drop medications. During the past couple of weeks these medications have no longer been working to treat the condition, so she will undergo a minimally invasive surgical procedure to correct the problem.Dion is expected to resume performances at The Colosseum as scheduled on Tuesday, May 22."Céline, Caesars Palace, and AEG Presents apologize for any inconvenience this causes ticket holders," according to a statement.Ticket holders for the canceled performances should be aware of the following: 922

CAPE CANAVERAL, Fla. (AP) — What looks like an asteroid may just be an old rocket from a failed moon-landing mission more than 50 years ago. The newly spotted object is expected to get nabbed by Earth's gravity and become a mini moon next month. NASA's leading asteroid expert thinks it is the upper rocket stage from a 1966 mission. Observations as the object draws closer should help nail its identity. He speculates the object is the Centaur stage from NASA's Surveyor 2 mission, dating back to 1966. It's expected to shoot back out into its own orbit around the sun next March. 589

CHATTANOOGA, Tenn. – Spy, prisoner of war, patriot – at one time or another, all those words described Dr. Mary Walker, a practicing surgeon for the Union Army during the Civil War.“She was a woman ahead of her time,” said Keith Hardison, director of the Charles H. Coolidge National Medal of Honor Heritage Center in Chattanooga, Tennessee.Now, though, Dr. Walker’s time has come. She is the focus of a new special exhibit at the center.“Dr. Walker wanted to go where the fighting was bloodiest,” said exhibit curator Molly Randolph. “She tried multiple times to join up and was denied.”Yet, she persisted and volunteered her medical skills to Union commanders during the Civil War. They put her to work – for no pay – on the front lines.That’s when her career as a spy began.“She used that cover of going into the countryside and providing medical care to do some espionage,” Randolph said.Eventually, the Confederate Army captured her and held her as a prisoner of war for four months, where she became well-known for wearing her trademark pants.“She was rather notorious,” Randolph said. “She was written up in the Confederate papers. Everyone thought this, you know, doctor - a female doctor who wore pants! - was a thing to poke fun at a little bit.”Suffering severe malnourishment at the Confederacy’s notorious “Castle Thunder” prison, Dr. Walker was eventually released in a prisoner exchange.“She was actually exchanged for a Confederate doctor, which she loved. She loved that she was worth so much to the federal forces,” Randolph said.Dr. Walker returned to the front lines to provide medical care for the Union Army. When the war ended, President Andrew Johnson awarded her the Medal of Honor.She became the first woman to ever receive it and – so far – remains the only one.“I’m surprised there’s only been one,” said Tom Jones, who was visiting the Medal of Honor Heritage Center from Illinois. “I know there’s not been a lot of women in combat, but they’ve been serving since the Civil War, obviously.”In 1917, the military instituted new rules for awarding the Medal of Honor and stripped Dr. Walker of hers because, technically, she had not been formally enlisted – though she had repeatedly tried to sign up.She died two years later, in 1919.“She refused to return it and continued to wear it,” Randolph said. “So, it was obviously something that was incredibly important to her.”Six decades later, a military board and President Jimmy Carter would once again reinstate her medal.“She was willing to challenge things that were unfair or that were convention, but were holding people back,” Hardison said.Dr. Walker was a lifelong suffragist. Her exhibit coincides with this summer’s 100th anniversary of the 19thAmendment, which granted women the right to vote in the U.S. It’s an amendment she didn’t live long enough to see become a reality.Her exhibit’s curators hope she will remind others of how to face life’s challenges.“She really shows us how to respond with poise, with gusto, with dignity,” Randolph said, “and I think Dr. Walker is just a wonderful example.”For more information on the exhibit about Dr. Mary Walker, click here. 3168

CHENGDU, China (AP) — The U.S. closed its consulate in the southwestern Chinese city of Chengdu on Monday, a victim of the rising tensions between the global powers. China ordered the mission closed in retaliation for a U.S. order to shut down the Chinese Consulate in Houston. The tit-for-tat closings marked a significant escalation in the multiple disputes between the countries over a range of issues, including trade, technology, security and human rights. A State Department statement expressed disappointment, saying the consulate “has stood at the center of our relations with the people in Western China, including Tibet, for 35 years." 653